1922057 has 4 divisors (see below), whose sum is σ = 1966800. Its totient is φ = 1877316.

The previous prime is 1922047. The next prime is 1922077. The reversal of 1922057 is 7502291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1922057 - 2¹² = 1917961 is a prime.

It is a super-2 number, since 2×1922057² = 7388606222498, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (1922027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22307 + ... + 22392.

It is an arithmetic number, because the mean of its divisors is an integer number (491700).

2^1922057 is an apocalyptic number.

It is an amenable number.

1922057 is a deficient number, since it is larger than the sum of its proper divisors (44743).

1922057 is an equidigital number, since it uses as much as digits as its factorization.

1922057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44742.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1922057 is about 1386.3827032966. The cubic root of 1922057 is about 124.3336703498. Note that the first 3 decimals are identical.

The spelling of 1922057 in words is "one million, nine hundred twenty-two thousand, fifty-seven".